Base | Representation |
---|---|
bin | 100100100000110… |
… | …1011000001001011 |
3 | 10011101101100022010 |
4 | 1021001223001023 |
5 | 10002121100430 |
6 | 321323431003 |
7 | 42234550053 |
oct | 11101530113 |
9 | 3141340263 |
10 | 1225175115 |
11 | 57964121a |
12 | 2a2385463 |
13 | 166a9a2b8 |
14 | b8a04563 |
15 | 7285ecb0 |
hex | 4906b04b |
1225175115 has 16 divisors (see below), whose sum is σ = 1964284416. Its totient is φ = 652092000.
The previous prime is 1225175113. The next prime is 1225175129. The reversal of 1225175115 is 5115715221.
It is not a de Polignac number, because 1225175115 - 21 = 1225175113 is a prime.
It is a super-3 number, since 3×12251751153 (a number of 28 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (1225175113) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75811 + ... + 90540.
It is an arithmetic number, because the mean of its divisors is an integer number (122767776).
Almost surely, 21225175115 is an apocalyptic number.
1225175115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1225175115 is a deficient number, since it is larger than the sum of its proper divisors (739109301).
1225175115 is a wasteful number, since it uses less digits than its factorization.
1225175115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 166850.
The product of its digits is 3500, while the sum is 30.
The square root of 1225175115 is about 35002.5015534604. The cubic root of 1225175115 is about 1070.0384634032.
The spelling of 1225175115 in words is "one billion, two hundred twenty-five million, one hundred seventy-five thousand, one hundred fifteen".
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